SEC FORM 4

SEC FORM 4SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

DeWitte Jacob

(Last)

(First)

(Middle)

C/O OKLO INC.

3190 CORONADO DR.

(Street)

SANTA CLARA

CALIFORNIA

95054

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Oklo Inc. [ OKLO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	Co-Founder, CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	04/01/2026		S⁽¹⁾		13,473	D	$48.41⁽²⁾	738,060⁽³⁾	D
Class A Common Stock	04/01/2026		S⁽¹⁾		10,516	D	$49.58⁽⁴⁾	727,544⁽³⁾	D
Class A Common Stock	04/01/2026		S⁽¹⁾		9,068	D	$50.93⁽⁵⁾	718,476⁽³⁾	D
Class A Common Stock	04/01/2026		S⁽¹⁾		26,943	D	$51.2⁽⁶⁾	691,533⁽³⁾	D
Class A Common Stock	04/01/2026		S⁽¹⁾		40,000	D	$50.5⁽⁷⁾	656,483⁽³⁾	I	By Jacob DeWitte GRAT
Class A Common Stock								7,851,901⁽³⁾	I	By the Jacob DeWitte Family Trust
Class A Common Stock								1,000,000⁽³⁾	I	By Jacob DeWitte GRAT No. 2
Class A Common Stock								506,807⁽³⁾	I	By Jacob DeWitte GRAT No. 3
Class A Common Stock	04/01/2026		S⁽¹⁾		13,473	D	$48.41⁽⁸⁾	704,566⁽³⁾	I	By Caroline Cochran⁽⁹⁾
Class A Common Stock	04/01/2026		S⁽¹⁾		10,516	D	$49.58⁽¹⁰⁾	694,050⁽³⁾	I	By Caroline Cochran⁽⁹⁾
Class A Common Stock	04/01/2026		S⁽¹⁾		9,068	D	$50.93⁽¹¹⁾	684,982⁽³⁾	I	By Caroline Cochran⁽⁹⁾
Class A Common Stock	04/01/2026		S⁽¹⁾		26,943	D	$51.2⁽¹²⁾	658,039⁽³⁾	I	By Caroline Cochran⁽⁹⁾
Class A Common Stock	04/01/2026		S⁽¹⁾		40,000	D	$50.5⁽¹³⁾	689,479⁽³⁾	I	By Caroline Cochran GRAT⁽¹⁴⁾
Class A Common Stock								7,583,085⁽³⁾	I	By the Caroline DeWitte Family Trust⁽¹⁴⁾
Class A Common Stock								1,000,000⁽³⁾	I	By Caroline DeWitte GRAT No. 2⁽¹⁴⁾
Class A Common Stock								474,011⁽³⁾	I	By Caroline Cochran GRAT No.3

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.99- $48.98 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

3. For more information about the equity of the Issuer held by the Reporting Person, please see the Issuer's most recent definitive proxy statement filed with the Securities and Exchange Commission.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $49.00 - $50.00 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.54- $51.01 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.02- $51.79 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.01- $50.86 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.99 - $48.98 inclusive. The Reporting Person's spouse undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

9. Represents securities held by the Reporting Person's spouse.

10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $49.00 - $50.00 inclusive. The Reporting Person's spouse undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.54 - $51.01 inclusive. The Reporting Person's spouse undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.02 - $51.79 inclusive. The Reporting Person's spouse undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

13. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.01- $50.86 inclusive. The Reporting Person's spouse undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

14. Represents securities beneficially owned by the Reporting Person's spouse.

Remarks:

	/s/ Richard Craig Bealmear, Attorney-in-Fact	04/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

SEC Form 4 filed by Dewitte Jacob